<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      function printNumbers(from, to) {
        const h = setInterval(function () {
          console.log(from++);
          if (from > to) {
            clearInterval(h);
          }
        }, 1000);
      }
      printNumbers(1, 6);
    </script>
  </body>
</html>
